Toothbrush handle



FIG. 1 is a perspective view of a toothbrush handle, embodying our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof, the back view being a mirror image thereof;

FIG. 5 is a left view thereof; and,

FIG. 6 is a right view thereof. 

The ornamental design for a toothbrush handle, as shown and described. 